VDB-181203 · CVE-2021-37597 · FEYE-2021-0023

WP Cerber up to 8.9.2 on WordPress MFA wordpress_logged_in_[hash] improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in WP Cerber up to 8.9.2 on WordPress. Affected by this vulnerability is an unknown functionality of the component MFA. Performing a manipulation of the argument wordpress_logged_in_[hash] results in improper authentication. This vulnerability was named CVE-2021-37597. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in WP Cerber up to 8.9.2 on WordPress (WordPress Plugin). It has been classified as critical. This affects an unknown functionality of the component MFA. The manipulation of the argument wordpress_logged_in_[hash] with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 08/20/2021 as FEYE-2021-0023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-37597. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 8.9.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

WordPress Plugin

Name

WP Cerber

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WP Cerber 8.9.3

Timelineinfo

07/28/2021 🔍
08/20/2021 +23 days 🔍
08/20/2021 +0 days 🔍
08/25/2021 +5 days 🔍

Sourcesinfo

Advisory: FEYE-2021-0023
Status: Confirmed

CVE: CVE-2021-37597 (🔍)
GCVE (CVE): GCVE-0-2021-37597
GCVE (VulDB): GCVE-100-181203

Entryinfo

Created: 08/20/2021 07:15
Updated: 08/25/2021 09:00
Changes: 08/20/2021 07:15 (41), 08/25/2021 09:00 (2)
Complete: 🔍
Cache ID: 216::103